Mercedes-Benz 2009 E-Class Operator's Manual page 210

Controls in detail
Loading and storing
Folding rear seat backrest forward
Release catch
1
Seat cushion
2
X
Pull release catch and use it to pull seat
1
cushion up.
2
208
Seat backrest
3
Release catch
4
X
Pull release catch up.
4
Seat backrest is released and the head
3
restraints fold back.
X
Fold seat backrest forward.
3
X
Adjust front seats to desired position.
X
If the rear center seat is to be occupied
while driving, it may be necessary to fold
the seat belt buckle up again.
Returning rear seat backrest to original
position
G Warning!
Always lock seat backrest in its upright
position when rear seat bench is occupied,
or the extended cargo compartment is not
in use. Check for secure locking by pushing
and pulling on the seat backrest.
In an accident, during hard braking or
sudden maneuvers, loose items will be
thrown around inside the vehicle, and
cause injury to vehicle occupants unless
the items are securely fastened in the
vehicle.
To help avoid personal injury during a
collision or sudden maneuver, exercise
care when transporting cargo.
Seat cushion
1
Seat backrest
2
X
Fold seat backrest to the rear until it
2
engages.